1. Morrey BF. Instability after total hip arthroplasty. Orthop Clin North Am. 1992;23:237–248.
2. McCollum DE, Gray WJ. Dislocation after total hip arthroplasty: causes and prevention. Clin Orthop. 1990;261:159–170.
3. Woo RYG, Morrey BF. Dislocations after total hip arthroplasty. J Bone Joint Surg Am. 1982;64:1295–1306.
4. Eftekhar NS. Dislocation and instability complicating low friction arthroplasty of the hip joint. Clin Orthop. 1976;121: 120–125.
5. Ritter MA. Dislocation and subluxation of the total hip replacement. Clin Orthop. 1976;121:92–94.